Rear portion of a top surface for a videocassette



FIG. 1 is a perspective view of a rear portion of a top surface for a videocassette showing our new design; and,

FIG. 2 is a top plan view thereof.

The broken line showing of the videocassette and tape reel is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a rear portion of a top surface for a videocassette, as shown and described. 